--- src/ZenNode/ZenMain.cpp.orig	2004-05-30 15:29:42.000000000 -0400
+++ src/ZenNode/ZenMain.cpp	2019-10-28 05:32:10.083695762 -0400
@@ -39,17 +39,17 @@
 #include <stdlib.h>
 #include <string.h>
 
-#if defined ( __OS2__ )
+#if defined ( _OS2 )
     #include <conio.h>
     #include <dos.h>
     #include <io.h>
     #define INCL_DOS
     #define INCL_SUB
     #include <os2.h>
-#elif defined ( __WIN32__ )
+#elif defined ( _WIN32 )
     #include <conio.h>
     #include <io.h>
-#elif defined ( __LINUX__ )
+#elif defined ( __linux__ )
     #include <unistd.h>
 #else
     #error This platform is not supported
@@ -101,7 +101,7 @@
 {
     FUNCTION_ENTRY ( NULL, "printHelp", true );
 
-    fprintf ( stdout, "Usage: ZenNode {-options} filename[.wad] [level{+level}] {-o|x output[.wad]}\n" );
+    fprintf ( stdout, "Usage: zennode {-options} filename[.wad] [level{+level}] {-o|x output[.wad]}\n" );
     fprintf ( stdout, "\n" );
     fprintf ( stdout, "     -x+ turn on option   -x- turn off option  %c = default\n", DEFAULT_CHAR );
     fprintf ( stdout, "\n" );